Melanie wrote an equivalent expression to the one shown. Which expression could Melanie have written? 6a+6(2a−3)+3

A
18a

B
18a + 15

C
3(6a - 5)

D
3(4a - 5)

You purchased 8 pounds 10 ounces of candy from a candy shop. you want to split it equally among 3 classrooms at a local school.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units